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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4.  
  5. int main() {
  6.  
  7.     int n,k; cin>>n>>k;
  8.     string str; cin>>str;
  9.     int res = 0;
  10.     set<char>s = {'a','e','i','o','u'};
  11.     int pref[n];
  12.     memset(pref,0,sizeof(pref));
  13.     pref[0] = !s.count(str[0]);
  14.     for(int i=1;i<n;i++)pref[i] = pref[i-1] + !s.count(str[i]);
  15.  
  16.     for(int i=0;i<n;i++)
  17.     {   int high;
  18.         if(i>0)high = upper_bound(pref,pref+n,k+pref[i-1])-pref;
  19.         else high = upper_bound(pref,pref+n,k)-pref;
  20.         cout<<i<<" "<<high<<"\n";
  21.         res = max(res,high - i);
  22.     }
  23.     cout<<res;
  24.  
  25.  
  26. }
  27.  
Success #stdin #stdout 0s 4144KB
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https://ideone.com/aT3kuC
language:
C++14 (clang 8.0)
created:
3 years ago
visibility:
public

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